Frymaster FBR18 Series manual Troubleshooting the Gas Valve

6.8.1 Troubleshooting the Gas Valve

MAIN GAS SUPPLY

VALVE VERIFIED TO BE

OPEN AND EQUIPMENT GAS

VALVE IN ON POSITION.

Is there 24VAC

on gas valve main coil (PV No terminal)?

Yes

What gas is the unit configured for?

NOTE: All voltage measurements must be made within 4 seconds of unit calling for heat. If unit does not fire within 4 seconds, ignition modules will lock out and controller must be turned off then back on to reset.

Problem is with

24VAC circuit. Refer to

Troubleshooting the

24VAC Circuit.

Natual Gas	LP (Propane)
	Gas

Is incoming		Problem is with gas		Is incoming
gas pressure 6-14"	No		No	gas pressure 11-14"
W.C. (1.49-3.49		supply to fryer.		W.C. (2.74-3.49
kPa)?				kPa)?
Yes				Yes
Is burner manifold		Adjust pressure to		Is burner manifold
	No	specification. If gas valve	No
gas pressure 3.5" W.C.				gas pressure 8.25" W.C.
		will not adjust, replace gas
(0.8 kPa)?				(2.5 kPa)?
		valve.
Yes				Yes
Is gas valve vent tube	Yes	Clear obstruction.	Yes	Is gas Valve vent tube
obstructed?				obstructed?
No				No
		Problem is not with
		gas valve.

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